shaba/lvm2
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12 Commits

Author SHA1 Message Date
Zdenek Kabelac
5bf1dba9eb vdo: just one probe is enough 
target_present_version() can handle modprobing no need to try it
twice.
 2021-02-17 11:21:35 +01:00
Zdenek Kabelac
9b173bb931 targets: use target_present_version 
Skip duplicated  dm version   ioctl() on every startup.
 2021-02-08 23:43:38 +01:00
Zdenek Kabelac
8532b1ca97 vdo: support online rename 
New VDO targets v6.2.3 corrects support for online rename of VDO device.
If needed if can be disable via new lvm.conf setting:

vdo_disabled_features = [ "online_rename" ]
 2021-01-22 15:30:37 +01:00
Zdenek Kabelac
50a37948b5 vdo: allow passing renamed vdopool name to kernel 
Although kernel does not allow to load a new dm table
with renamed vdopool, at least make lvm2 code ready
it it every will get supported.
 2020-09-23 13:20:28 +02:00
Zdenek Kabelac
e08a0421a3 vdo: drop unnecessary tabulator from metadata output 2020-09-22 23:25:16 +02:00
Zdenek Kabelac
862aa06e5e vdo: remember configure VDO write policy in metadata 
Store write_policy in vdopool metadata.
In case it's not present 'auto' is selected.
 2019-10-04 17:31:55 +02:00
Zdenek Kabelac
9d8a028e8c vdo: keep minimum_io_size in sectors 2019-10-04 17:31:55 +02:00
Zdenek Kabelac
f87dd7b127 vdo: fix archived metadata comment 
lvm uses 'minimum_io_size' name to exactly match  VDO naming here,
however in all common cases  _size  is using 'sector/512b' unit.
But in this case the value is in bytes and can have only 2 values:
either 512 or 4096.

It's probably not worth to rename it internaly, so we can just
drop comment - instead of using 1 or 8.

Thought let's think about it....
 2019-01-21 12:37:52 +01:00
Zdenek Kabelac
3320ab8334 lib: move towards v2 version of VDO format 
Drop very old original format of VDO target and focus on V2 version.
So some variables were renamed or replaced.
There is no compatibility preserved (with assumption so far this is
experimental feature and there is no real user).

Note - version currently VDO calls this version 6.2.
 2018-12-20 13:26:55 +01:00
Zdenek Kabelac
faa126882a dmeventd: lvm vdo support 2018-07-09 15:29:16 +02:00
Zdenek Kabelac
5807993bbf display: basic vdo segment lvdisplay and lvs support 
Print some basic info about vdo segment.

'lvdisplay -m' ATM shows the most.
lvs  shows usage percentage.
 2018-07-09 15:28:35 +02:00
Zdenek Kabelac
a8f84f7801 vdo: introduce segment types and manip functions 
Core functionality introducing lvm VDO support.
 2018-07-09 15:28:35 +02:00